2025 XR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6568370686 ± 5.79e-04
Semi-major axis (a)2.1670741505 AU ± 3.46e-03
Inclination (i)9.52726466° ± 6.89e-03
Long. of Asc. Node (Ω)86.33312872° ± 4.61e-03
Arg. of Perihelion (ω)272.37801745° ± 9.26e-03
Mean Anomaly (M)8.71688216° ± 2.57e-02
Mean Motion (n)0.3089595462°/day ± 7.39e-04
Perihelion dist (q)0.74365952 AU ± 1.73e-03
Aphelion dist (Q)3.59048878 AU ± 5.86e-03
Orbital Period3.19014672 yr ± 7.63e-03
Physical Parameters
H (abs. magnitude)22.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.204″
Uncertainty2
Orbit TypeApollo
MOID0.053265 AU
Observations Used59
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-13
Last Observation Used2025-12-21
Observations (65)
Date Type RA Dec Mag Band Observatory
2025-12-13 04:09:10 C 02 04 37.461 -02 49 40.12 V U68
2025-12-13 04:13:59 C 02 04 39.662 -02 49 02.15 V U68
2025-12-13 04:47:45 C 02 04 55.121 -02 44 41.46 V U74
2025-12-13 04:49:06 C 02 04 55.754 -02 44 30.27 V U74
2025-12-13 05:03:20 C 02 05 04.789 -02 42 25.46 V F51
2025-12-13 05:07:16 C 02 05 06.575 -02 41 55.46 V F51
2025-12-13 06:41:16 C 02 05 46.612 -02 30 05.72 V I52
2025-12-13 06:44:13 C 02 05 47.972 -02 29 43.01 V I52
2025-12-13 06:46:03 C 02 05 48.840 -02 29 29.15 V I52
2025-12-13 06:47:54 C 02 05 49.650 -02 29 15.22 V I52
2025-12-13 07:17:18 C 02 06 03.660 -02 25 34.93 V U74
2025-12-13 07:22:01 C 02 06 05.878 -02 24 56.76 V U74
2025-12-13 09:42:21 C 02 07 13.222 -02 05 50.96 W 474
2025-12-13 09:46:22 C 02 07 15.053 -02 05 21.05 W 474
2025-12-13 09:50:24 C 02 07 16.879 -02 04 50.56 W 474
2025-12-13 09:54:25 C 02 07 18.684 -02 04 20.14 W 474
2025-12-13 17:46:14 C 02 10 55.98 -01 07 26.2 S L01
2025-12-13 17:47:29 C 02 10 56.52 -01 07 16.9 S L01
2025-12-13 17:52:42 C 02 10 58.83 -01 06 39.2 S L01
2025-12-13 18:04:29 B 02 11 03.96 -01 05 13.0 X 595
2025-12-13 18:04:43 B 02 11 04.68 -01 05 10.7 V I93
2025-12-13 18:07:50 B 02 11 06.08 -01 04 48.1 V I93
2025-12-13 18:10:50 B 02 11 07.35 -01 04 25.9 V I93
2025-12-13 18:20:52 B 02 11 11.14 -01 03 13.4 X 595
2025-12-13 18:37:15 B 02 11 18.26 -01 01 14.5 X 595
2025-12-13 21:16:13 B 02 12 27.234 -00 42 03.83 W 204
2025-12-13 21:20:19 C 02 12 28.98 -00 41 34.7 V 587
2025-12-13 21:24:28 C 02 12 30.77 -00 41 04.8 V 587
2025-12-13 21:26:32 C 02 12 31.66 -00 40 49.9 V 587
2025-12-13 21:30:27 B 02 12 33.363 -00 40 21.25 W 204
2025-12-13 21:44:42 B 02 12 39.487 -00 38 38.98 W 204
2025-12-13 22:49:25 C 02 13 07.195 -00 30 53.37 V 104
2025-12-13 23:04:33 C 02 13 13.689 -00 29 05.14 V 104
2025-12-13 23:19:28 C 02 13 20.086 -00 27 18.67 V 104
2025-12-14 00:49:46 C 02 14 02.450 -00 15 22.10 V 807
2025-12-14 00:58:34 C 02 14 06.160 -00 14 20.10 V 807
2025-12-14 01:07:21 C 02 14 09.860 -00 13 17.80 V 807
2025-12-14 02:17:03 C 02 14 41.464 -00 06 09.54 V I52
2025-12-14 02:17:40 C 02 14 41.730 -00 06 04.79 V I52
2025-12-14 02:18:17 C 02 14 41.953 -00 06 00.68 V I52
2025-12-14 05:37:45 C 02 16 05.471 +00 17 10.59 V U74
2025-12-14 05:42:28 C 02 16 07.378 +00 17 43.68 V U74
2025-12-14 18:37:42 B 02 21 31.980 +01 46 00.66 V M49
2025-12-14 18:41:28 B 02 21 33.36 +01 45 19.0 Z 106
2025-12-14 18:43:09 B 02 21 34.111 +01 46 36.48 V M49
2025-12-14 18:44:35 B 02 21 34.58 +01 45 39.6 Z 106
2025-12-14 18:48:15 B 02 21 35.96 +01 46 03.3 Z 106
2025-12-14 18:48:35 B 02 21 36.235 +01 47 11.90 V M49
2025-12-14 18:51:32 B 02 21 37.27 +01 46 25.1 Z 106
2025-12-14 21:01:24 C 02 22 28.85 +02 00 33.3 X 958